54 



GECKONIDJE. 



Family I. GECKONID^. 



Skull without postorbital or postfronto-squamosal arch ; no 

 squamosal ; praemaxillary single ; nasals distinct ; parietals dis- 

 tinct ; frontals completely surrounding the olfactory lobes of the 

 brain ; a fibro-cartilaginous interorbital septum ; a columella cranii ; 



B 



C 



Fig. 18. Skull of Gecko verticillatus. 

 A. Side view. B. Upper view. C. Lower view. 



a,iig. Angular. ./. 



or. Articular. is. 



fio. Basioccipital. m. 



bp. Basisplienoid. n. 



c. Columella cranii. oo. 

 CM, Columella auris. p. 

 cr. Coronoid. pi. 



d. Dentary. pm. 

 eo. Exoccipital. prf, pf. 



Frontal. pro. Prootic. 



Interorbital septum. pt. Pterygoid. 



Maxillary. 



Nasal. 



Opisthotic. 



Parietal. 



Palatine. 



Pramaxillnry. 



Pracfrontal. 



ptf. Post frontal. 



q. Quadrate. 

 s.atiff. Supra-angular. 

 so. Supraoccipital. 

 st. Supratemporal. 

 tp. Transpalatine. 

 v. Vomer. 



mandible containing only five bones, the angular and articular 

 having coalesced. Teeth small, numerous, with cylindrical shaft 

 anchylosed to the inner edge of the jaws (Pleurodont dentition) ; 



